x^8+9x^4+8=0

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Solution for x^8+9x^4+8=0 equation:


Simplifying
x8 + 9x4 + 8 = 0

Reorder the terms:
8 + 9x4 + x8 = 0

Solving
8 + 9x4 + x8 = 0

Solving for variable 'x'.

Factor a trinomial.
(8 + x4)(1 + x4) = 0

Subproblem 1

Set the factor '(8 + x4)' equal to zero and attempt to solve: Simplifying 8 + x4 = 0 Solving 8 + x4 = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x4 = 0 + -8 Combine like terms: 8 + -8 = 0 0 + x4 = 0 + -8 x4 = 0 + -8 Combine like terms: 0 + -8 = -8 x4 = -8 Simplifying x4 = -8 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(1 + x4)' equal to zero and attempt to solve: Simplifying 1 + x4 = 0 Solving 1 + x4 = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x4 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x4 = 0 + -1 x4 = 0 + -1 Combine like terms: 0 + -1 = -1 x4 = -1 Simplifying x4 = -1 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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